Initial commit: AutonetSellCar platform with deployment system

- Frontend: Next.js 14 with TypeScript
- Backend: FastAPI with SQLAlchemy
- Agent: Carmodoo sync agent
- Deployment: Docker Compose based staging/production setup
- Scripts: Automated deployment with rollback support

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/app/models/hero_banner.py

@@ -0,0 +1,67 @@
+from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from ..database import Base
+
+
+class HeroBannerSettings(Base):
+    """히어로 배너 슬라이더 설정"""
+    __tablename__ = "hero_banner_settings"
+
+    id = Column(Integer, primary_key=True, index=True)
+
+    # 슬라이드 전환 간격 (밀리초)
+    slide_interval = Column(Integer, default=3000)  # 3초
+
+    # 애니메이션 타입: 'film-strip', 'fade', 'slide'
+    animation_type = Column(String(20), default="film-strip")
+
+    # 이미지 크기
+    image_width = Column(Integer, default=500)
+    image_height = Column(Integer, default=300)
+
+    # 자동 재생 여부
+    auto_play = Column(Boolean, default=True)
+
+    # 타임스탬프
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
+
+
+class HeroBanner(Base):
+    """히어로 배너 이미지"""
+    __tablename__ = "hero_banners"
+
+    id = Column(Integer, primary_key=True, index=True)
+
+    # 다국어 제목
+    title_ko = Column(String(100))
+    title_en = Column(String(100))
+    title_mn = Column(String(100))  # 몽골어
+
+    # 다국어 서브타이틀
+    subtitle_ko = Column(String(200))
+    subtitle_en = Column(String(200))
+    subtitle_mn = Column(String(200))
+
+    # 이미지 URL
+    image_url = Column(String(500), nullable=False)
+
+    # 클릭 시 이동 URL (선택)
+    link_url = Column(String(500))
+
+    # 연결된 차량 ID (선택 - 차량 상세 페이지로 연결)
+    car_id = Column(Integer, ForeignKey("cars.id", ondelete="SET NULL"), nullable=True)
+
+    # 활성화 여부
+    is_active = Column(Boolean, default=True)
+
+    # 표시 순서 (낮을수록 먼저)
+    display_order = Column(Integer, default=0)
+
+    # 타임스탬프
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
+
+    # 관계
+    car = relationship("Car", foreign_keys=[car_id])